properly scale change regions

diff --git a/lib/gui/esubtitle.cpp b/lib/gui/esubtitle.cpp
index f3d0e35f1edcb5afc655aef11deb060b8e67e180..5cf4cfa2b6d9c403712845ea83a22cb471bccddb 100644 (file)
--- a/lib/gui/esubtitle.cpp
+++ b/lib/gui/esubtitle.cpp
@@ -115,8 +115,12 @@ void eSubtitleWidget::clearPage()
 void eSubtitleWidget::setPixmap(ePtr<gPixmap> &pixmap, gRegion changed, eRect pixmap_dest)
 {
        m_pixmap = pixmap;
-       m_pixmap_dest = pixmap_dest;
+       m_pixmap_dest = pixmap_dest; /* this is in a virtual 720x576 cage */
        
+               /* incoming "changed" regions are relative to the physical pixmap area, so they have to be scaled to the virtual pixmap area, then to the screen */
+       changed.scale(m_pixmap_dest.width(), 720, m_pixmap_dest.height(), 576);
+       changed.moveBy(ePoint(m_pixmap_dest.x(), m_pixmap_dest.y()));
+
        changed.scale(size().width(), pixmap->size().width(), size().height(), pixmap->size().height());
        
        invalidate(changed);